Question

What is the sum of digits of the least number, which when divided by 15, 18 and 24 leaves the remainder 8 in each case and is also divisible by 13?

• A. 17
• B. 16
• C. 15
• D. 18

Answer 1

Answer:

A. 17

15 = 3 × 5 18 = 2 × 3 × 3 24 = 2 × 2 × 2 × 3 LCM = 2 × 2 × 2 × 3 × 3 × 5 = 360 360 × 2 = 720 + 8 = 728 728 ÷ 13 = 56 Correct number is 728. Sum of these digits is 17.